529 results about "Optical fiber coupling" patented technology

The invention relates to the technical field of silicon waveguide and optical fiber coupling, and particularly provides an AI-based silicon waveguide-optical fiber mode field self-alignment coupling method and system, and the method comprises the steps: monitoring the strain distribution of a chip in real time through an integrated distributed fiber bragg grating array, and obtaining the light field intensity distribution of a coupling region through cooperation with a near-field optical probe array; constructing a deep space-time convolutional network, and generating a deformation compensation vector and a waveguide reconstruction parameter by an output layer; a nanofluid channel is integrated on the side wall of the waveguide, and the refractive index of liquid is adjusted through an electrowetting effect to realize dynamic broadening of a mode field; and the electrostatic driving micro-beam embedded below the waveguide adjusts the spatial pose of the waveguide according to an instruction of an output layer of the depth space-time convolutional network. The system comprises a light field intensity acquisition module, a convolutional network construction module and a spatial pose adjustment module. According to the method, real-time analysis and prediction are performed, so that system parameters are actively adjusted, and alignment precision and stability are improved.

A neurosurgery system for probing brain tissue of a patient for tumorous tissue. The system including a suction tool, an excitation source, an optical instrument, and a controller. The suction tool including a suction cannula defining a lumen, an optical fiber configured to transmit fluorescence emitted by the brain tissue; and an indicator configured to selectively emit visible light. An excitation source is configured to emit an excitation light having a wavelength to induce the fluorescence in the tumorous tissue. The optical instrument is coupled to the optical fiber. The optical instrument configured to convert the fluorescence emitted by the brain tissue and transmitted by the optical and configured to determine that the brain tissue is tumorous based on the electrical signal and activate the indicator based on the determination.

The invention relates to an optical fiber coupling dynamic interferometer based on arrayed waveguide grating light splitting. A luminous source and an arrayed waveguide grating of the optical fiber coupling dynamic interferometer are arranged on a motion module. The light emitting source is connected to the input port of the array waveguide grating through an optical fiber, and through the movement module, any one of the multiple output ports of the array waveguide grating is in butt joint with the optical fiber connected to the incident end of the collimation structure. A half-wave plate and a beam splitter prism of the imaging element group are sequentially arranged on an emergent light path of the emergent end of the collimation structure, and the beam splitter prism is used for splitting a light beam passing through the half-wave plate into a reference light beam transmitted along a first light path and a measurement light beam transmitted along a second light path. And the reflecting mirror of the imaging element group reflects the reference light beam back to the beam splitting prism. And the to-be-measured surface reflects the measurement light beam back to the beam splitter prism. The reference beam and the measurement beam reflected back to the beam splitter prism interfere with each other and are imaged on the target surface of the camera. Accurate measurement of the wavefront image of the surface to be measured is realized.

The invention discloses a hybrid integrated optical fiber coupling superconducting nanowire single-photon detector and an implementation method. The detector is directly integrated on the end face of an optical fiber, each layer of superconducting nanowire single-photon detector comprises a superconducting nanowire, electrodes at the two ends and a lower-layer optical cavity, the center of the nanowire is aligned with a fiber core of the optical fiber, and the uppermost layer is integrated with the optical cavity and a reflector; wherein the projections of the nanowires of the same detector are parallel to each other, the nanowires of different detectors are mutually orthogonal in pairs, and the polarization-insensitive superconducting nanowire single-photon detector is obtained after packaging. Or the nanowire projections of each layer of detector are parallel to each other, and the superconductive nanowire single-photon detector with high absorptivity is obtained after packaging. Or all layers of detectors and reflectors are integrated into optical cavities with different thicknesses, and the wide-spectrum superconducting nanowire single-photon detector with multiple central wavelengths is obtained after packaging. According to the invention, a high-performance and multifunctional superconducting nanowire single-photon detector is realized through a hybrid integration process.

Apparatus and method for detachably connecting at least one optical fiber of a detachable photonic plug to a photonic integrated circuit (PIC). The detachable photonic plug comprises: a detachable plug die; an optically transparent spacer coupled to the detachable plug die; and at least one optical fiber held between the detachable plug die and the spacer. On the PIC side, apparatus includes a receptacle adapted to receive a detachable photonic plug adapted to couple at least one optical fiber to a photonic integrated circuit (PIC); and a photonic bump of the PIC, the photonic bump having a least one fine alignment feature. The method comprises permanently mounting a receptacle over at least a portion of the PIC; after completion of mounting, inserting the detachable photonic plug into the receptacle; and after the detachable photonic plug is inserted in the receptacle, securing the detachable photonic plug in the receptacle.

The invention provides a packaging structure, an optical module and an optical system, the packaging structure comprises an optical fiber unit and a chip unit, the chip unit comprises a photon chip and a chip cover plate, the photon chip is buckled with the chip cover plate, a spot size converter is arranged in the photon chip, and the spot size converter is composed of a cantilever beam waveguide and a first groove; the optical fiber unit comprises an optical fiber, a bottom plate and an optical fiber cover plate bottom plate; the waveguide is coupled with the optical fiber; wherein a first bonding part is arranged between the chip cover plate and the bottom plate, and a second bonding part is arranged between the photon chip and the optical fiber cover plate; or a first bonding part is arranged between the chip cover plate and the optical fiber cover plate, and a second bonding part is arranged between the photon chip and the bottom plate. In the packaging structure, a chip cover plate is arranged on a photon chip to form a chip unit, so that the bonding area between the chip unit and an optical fiber array is increased, the mechanical stability of the packaging structure is improved, and alignment of waveguides in the photon chip and optical fibers in the optical fiber array is realized.

The invention relates to the technical field of coupling alignment of single-mode optical fibers, in particular to an optical fiber coupling alignment method and system based on wavefront aberration and a sensitivity matrix. The system comprises an optical measurement module, a processing and control module and a multi-axis precision adjustment platform, and the alignment method comprises the steps that firstly, an interference fringe image is obtained and processed through an interference light path, continuous wavefront is recovered through Fourier transform and phase unwrapping, and a Zernike coefficient for quantizing wavefront distortion is obtained through Zernike polynomial fitting. A sensitivity matrix representing the linear relation between the degree-of-freedom adjustment amount and Zernike coefficient changes is established and serves as a physical guide item to introduce a speed updating formula of a particle swarm optimization algorithm, an SG-PSO algorithm is formed, a particle swarm is guided to conduct directional intelligent search and rapidly output the optimal adjustment amount, and finally a multi-axis precision adjustment platform is driven to complete alignment. According to the method, optimization of wavefront sensing and physical model guiding is effectively fused, and the convergence speed, the alignment precision and the global search capability are remarkably improved.

The invention provides a packaging structure, an optical module and an optical system. The packaging structure comprises a photon chip, an optical fiber array and a substrate. Wherein the photon chip is internally provided with a spot size converter, and the spot size converter is composed of a cantilever beam waveguide and a first groove; the optical fiber array comprises optical fibers, a bottom plate and a cover plate, the bottom plate comprises a second groove, the second groove is used for accommodating the optical fibers, and the cover plate is buckled with the bottom plate; wherein the photon chip is arranged on the upper surface of the substrate, the bottom plate or the cover plate is arranged on the upper surface of the substrate, and the cantilever beam waveguide is in coupling connection with the optical fiber. In the packaging structure, the photon chip and the optical fiber array are arranged on the upper surface of the substrate together, and an additional supporting piece is avoided, so that the mechanical stability of the packaging structure can be ensured, the change of stress near the cantilever beam waveguide caused by temperature change, displacement, external force application and the like in the packaging structure is reduced, and low-stress packaging is realized.

The invention discloses a fiber optic spectrometer for film thickness measurement. The fiber optic spectrometer comprises a control and data processing module, a detection module, a light source module and a light splitting module, the optical fiber coupling module couples wide-spectrum light of the light source module and then guides the light to the light splitting module; the light splitting module adopts a cross-type Czerny-Turner light path structure, and performs collimation, dispersion and focusing processing on light beams in sequence; the detection module is used for receiving the optical signal processed by the light splitting module and forming an interference pattern; and the control and data processing module is used for driving acquisition, completing pixel-wavelength calibration and calculating the film thickness based on an acquired interference pattern. According to the optical fiber spectrometer measurement method for film thickness measurement, the problem of low accuracy of real-time film thickness detection in the prior art is solved.

An assembly for coupling optical fibers to photonic ports on a surface of a photonic integrated circuits includes optical components for directing optical signals between a fiber array unit and the PIC, the optical components including a pair of lens arrays and a polarizing beam splitter. Non-polarization maintaining fibers may be used with the assembly.

The invention relates to the technical field of photoelectric co-packaging, in particular to an optical chip optical fiber coupling packaging framework and process for photoelectric co-packaging. In the optical chip and adapter plate vertical mounting system, n + 2 continuous V-shaped grooves are etched in the position, corresponding to an end face coupler, of the bottom of an adapter plate, the two V-shaped grooves in the two sides are used for arranging limiting optical fibers, the n V-shaped grooves in the middle are used for containing and guiding optical fibers, and n is larger than or equal to 1; passive alignment of coupling of the optical fiber and the optical chip, high process compatibility and high mechanical stability are achieved. According to the invention, the optical chip does not need to be installed at the edge of the adapter plate of the photoelectric co-packaging system any more, the feasibility of vertical stacking is greatly expanded, a solution is provided for the installation of the optical bridge chip in the three-dimensional stacked photoelectric co-packaging system, and a more compact structure becomes possible under the condition of using optical fiber edge coupling.

The utility model discloses silicon optical wafer test equipment. The silicon optical wafer test equipment comprises a camera assembly, a deflection optical path assembly, a probe station and an optical fiber coupling module, the driving assembly is used for driving the probe station and the deflection optical path assembly to move to the lower part of the camera assembly and the optical fiber end part of the optical fiber array in a mutual switching manner; the optical fiber coupling module is used for clamping the optical fiber end part of the optical fiber array; when the probe station moves to the position below the camera assembly, a cross cursor of a camera of the camera assembly is adjusted to be parallel to a cutting channel of the silicon optical wafer; when the deflection light path assembly moves into the imaging view field of the camera assembly, the camera assembly is used for collecting a first lateral image and a second lateral image through the deflection light path assembly and collecting a vertical image; and adjusting the end part of the optical fiber by using an optical fiber coupling module according to the image, so that the end part of the optical fiber and the optical waveguide are aligned and coupled. According to the application, the operation difficulty and the equipment structure for realizing alignment coupling between the optical fiber end part and the silicon optical waveguide are simplified, and the equipment cost is reduced.

The invention relates to an optical fiber coupling type focusable laser cutting device. According to the device, a laser transmitter transmits laser through an input optical fiber; the laser receiving module comprises a mounting seat, an optical fiber base, a transmission mechanism and a focusing mechanism, the focusing mechanism drives the optical fiber base to move in the axial direction through the transmission mechanism, and motor-free focusing in the nuclear radiation environment is achieved; the laser conduction module comprises a parabolic reflector for collimating and focusing the laser; according to the laser cutting device, the focusing technology depending on a motor in the prior art is converted into full-mechanical transmission focusing design, the failure risk of electronic elements such as the motor in the radiation environment is avoided, and through cooperation of the focusing mechanism, the transmission mechanism and the limiting pin, the laser cutting efficiency is improved. The high-precision and high-reliability focusing function is achieved, and the laser cutting device which is good in radiation resistance, high in long-term operation stability and long in service life is achieved in the nuclear radiation environment.

The invention discloses an optical fiber coupling real-time correction method in a single-mode and multi-mode optical fiber endoscopic imaging system, which comprises the following steps of: firstly, manually adjusting reflectors M1 and M2 to an optimal multi-mode optical fiber coupling state, acquiring images of light spots at the near end and the far end of a laser beam in the state by using a CCD (charge coupled device) 1 and a CCD 2, and calculating the position of a central coordinate of the images; and collecting a speckle image formed by the light spot through the scattering medium by using a CCD3 (charge coupled device 3). The system monitors the center coordinates of near-end and far-end light spots at the current moment and the correlation coefficient of the current speckle image and the collimation state image in real time. The piezoelectric mirror bracket is fed back and adjusted in real time through the center coordinates of the two spot light spots and the correlation coefficient of the speckles, so that the correlation coefficient of the speckles is kept above a set threshold value, and automatic calibration of light beams is achieved. On the basis of the traditional thinking that two points determine one straight line, the correlation coefficient of using speckles is increased, the alignment precision is improved, and the method has certain practicability and application prospects.

A photonic system includes an optical coupling interface for an optical fiber disposed on a first surface of a support material and a PIC die / chip disposed on a second surface of the support material that is opposite from the first surface of the support material. The PIC die / chip includes an oxide stack, where a portion of the oxide stack is configured as an optical reflector structure that includes a reflecting surface configured to direct a light beam conveyed from an optical waveguide within the PIC die / chip from a first direction of travel to a second direction of travel directed toward the second surface of the support material and toward the optical coupling interface for the optical fiber disposed on the first surface of the support material. The light beam travels through the optical reflector structure and through the support material to reach the optical coupling interface for the optical fiber.

An assembly for coupling optical fibers to photonic ports on a surface of a photonic integrated circuits includes optical components for directing optical signals between a fiber array unit and the PIC, the optical components including a pair of lens arrays and a polarizing beam splitter. Non-polarization maintaining fibers may be used with the assembly.

The invention provides a femtosecond laser flexible transmission device based on a hollow-core optical fiber, which comprises a first reflector assembly, a light convergence assembly and a second reflector assembly, a beam expanding collimating lens group is arranged between the second reflector assembly and the light convergence assembly, the femtosecond laser flexible transmission device is also provided with an optical cable, the hollow-core optical fiber is arranged in the optical cable, and the two ends of the optical cable are provided with optical fiber coupling ends. According to the femtosecond laser flexible transmission device, the problem of femtosecond laser flexible transmission is solved, the structure can be conveniently optimized, and the problems of nonlinear absorption, pulse width expansion and the like of laser can be solved through vacuumizing.

The invention relates to the technical field of spot-size converters, and discloses a lithium niobate film spot-size converter with an asymmetric trident structure and a preparation method of the lithium niobate film spot-size converter with the asymmetric trident structure. The lithium niobate film waveguide layer is positioned on the insulating layer; the silicon dioxide layer is coated on the lithium niobate film waveguide layer; the silicon nitride waveguide layer is located on the silicon dioxide layer; the silicon nitride waveguide layer comprises a first waveguide part, a second waveguide part and a third waveguide part which are connected in sequence in the direction from the input end to the output end of the lithium niobate film spot size converter, and the first waveguide part, the second waveguide part and the third waveguide part are located on the same plane; in the light wave transmission direction, the transverse size of the second waveguide part is sequentially increased, and the transverse size of the third waveguide part is sequentially reduced; according to the invention, the process preparation difficulty is low, high-efficiency coupling with the coupling efficiency of more than 90% from the silicon nitride waveguide to the lithium niobate waveguide can be realized, and the optical fiber coupling alignment tolerance and overlay tolerance as well as the overall coupling efficiency of the spot size converter are improved.

The invention provides a film lithium niobate chip optical fiber coupling machine vision alignment control method, which comprises the following steps: acquiring a high-resolution image of a waveguide end surface of a film lithium niobate chip, and extracting a multi-structure vision representation set from the high-resolution image; determining an effective action area of the mode field by combining the emergent light intensity distribution and geometric constraint provided by the boundary of the side wall; calculating an energy weighted center based on the light intensity distribution in the effective action area of the mode field, and mapping the energy weighted center to an assembly platform coordinate system to obtain an optical coupling reference center for alignment; with the optical coupling reference center as a target, the position and posture of the optical fiber are adjusted through feedback control, so that the center of an optical fiber core approaches and aligns to the optical coupling reference center; after alignment is completed, the stable optical fiber pose is evaluated and locked, the final coupling pose and performance indexes are output, the problem of decoupling of the visual reference and the real optical reference can be solved, and low-loss and high-stability coupling between the thin-film lithium niobate chip and the optical fiber is achieved.

The invention discloses a femtosecond laser processing-based silicon optical chip-optical fiber coupled spot-size conversion chip and a preparation method thereof, the femtosecond laser processing-based silicon optical chip-optical fiber coupled spot-size conversion chip comprises a silicon optical chip, a spot-size converter and an optical fiber array, one end of the spot-size converter is aligned with the optical fiber array, and the other end of the spot-size converter is aligned with the silicon optical chip; preparing a waveguide in the waveguide layer in the quartz glass by using a femtosecond laser direct writing system; grinding the end surfaces of the cladding, the waveguide layer and the optical fiber by using abrasive paper with different mesh numbers in sequence, polishing by using a polishing agent, immersing in a beaker filled with absolute ethyl alcohol for cleaning, and drying after cleaning; and placing on a platform with a 45-degree inclination angle, and controlling the three-axis displacement platform to enable the femtosecond laser focus to scan in an end face coupling area of the optical fiber and the first waveguide array according to a designed path so as to obtain the thickness and the cross section width of the waveguide. According to the invention, the silicon optical chip and the optical fiber array can realize spot-matched optical signal transmission, the performance is reliable and stable, and the industrialization development of the silicon optical technology can be realized.

An apparatus and method for realizing photon pair emission and fiber output on the basis of quantum dots. The apparatus comprises: a single quantum dot (1), which is used for generating cascaded luminescence of single excitons and biexcitons, wherein an exciton state exhibits luminescence in two polarization states, i.e. H and V, and the two polarization states have an energy splitting; a microcavity (2), which is formed by a first Bragg reflector (3) and a second Bragg reflector (4), and is used for controlling the directional light emission of the single quantum dot (1); an optical fiber coupling component (6), which is prepared by means of vertically bonding a single-mode optical fiber (5) and encapsulated by means of curing, and is used for collecting the cascaded luminescence of single excitons and biexcitons generated by the single quantum dot (1); a local electric field, which is generated by a single dopant atom (22) in an adjacent modulation-doped layer (21), and is used for tuning the single quantum dot (1), so as to reduce exciton energy splitting and tune an exciton wave function; a luminescence output module, which is used for performing fluorescence collection on the single quantum dot (1) and outputting the collected cascaded luminescence of single excitons and biexcitons in the form of a Gaussian optical field; and a photon pair correlation test unit (11), which is used for filtering the cascaded luminescence of single excitons and biexcitons, and testing polarization correlation on the basis of filtered single excitons and biexcitons.

The invention discloses an optical fiber laser phased array self-adaptive optical system based on an integrated optical chip. The optical fiber laser phased array self-adaptive optical system comprises a self-adaptive optical fiber coupler array, the integrated optical chip, an optical fiber splitter, a photoelectric detector, a control platform and a high-voltage amplifier. The integrated optical chip comprises an optical fiber coupling interface, a waveguide, a phase shifter, a Mach-Zehnder intensity modulator and the like. The adaptive optical fiber coupler array couples incident light to the optical fiber array, and corrects tilt aberration based on an optimization control algorithm to realize efficient adaptive coupling of spatial light to optical fibers; the sub-beams enter an integrated optical chip through an optical fiber coupling interface, phase and intensity modulation is performed on the sub-beams in the optical chip based on an optimization control algorithm, and co-phase synthesis output of the beams is realized; the output light is divided into two paths by the optical fiber splitter, one path is connected with the photoelectric detector for control, and the other path is connected with the application end. Based on light path reciprocity, the system has a transmitting or receiving and transmitting integrated function, and has important application prospects in the fields of space optical communication, laser energy transfer and the like.

The present application provides a packaging structure, an optical module and an optical system. The packaging structure comprises a photonics integrated circuit, a fiber array, and a substrate, wherein a spot size converter is arranged in the photonic chip and is composed of a cantilever beam waveguide and a first groove; the fiber array comprises an optical fiber, a base plate and a cover plate, the base plate comprising a second groove for accommodating the optical fiber, and the cover plate being snap-fitted with the base plate; and the photonic chip is arranged on an upper surface of the substrate, the base plate or the cover plate is arranged on the upper surface of the substrate, and the cantilever beam waveguide is coupled to the optical fiber. In the packaging structure, the arrangement of both the photonics integrated circuit and the fiber array on the upper surface of the substrate and the elimination of the use of additional support members can ensure the mechanical stability of the packaging structure, which reduces stress variations near the cantilever beam waveguide in the packaging structure caused by temperature changes, displacement or external forces, thereby achieving low-stress packaging.

The invention, which belongs to the technical field of spectral imaging, discloses an ultra-wide-band ultra-wide-field-of-view high-spectral-resolution real-time imaging spectrometer comprising a first micro-lens array, a plurality of optical fibers, a plurality of second micro-lens arrays and a plurality of assemblies. First micro lenses in each column of the first micro lens array are arranged on a vertical plane arc, and micro lenses in each row are arranged on a horizontal plane straight line, so that incident light of a one-dimensional ultra-wide view field is obtained in real time; through optical fiber coupling, incident light is transmitted to the second micro lens array to be collimated into parallel light beams; according to the components, light of different wavebands is processed through the optical filter, the plane transmission grating and the detector, first-order diffraction light beams of different wavelengths in the different wavebands are received by the detector after diffraction, and space information and spectral information are obtained in real time according to an irradiated target block. The imaging spectrometer provided by the invention has the advantages of ultra-wide wave band, ultra-wide field of view, high spectral resolution, real-time measurement, compact structure and high stability, and is suitable for a remote sensing photoelectric reconnaissance detection system.

A structure includes an upper silicon structure that includes a recess in a first side of the upper silicon structure, wherein the recess has a sloped sidewall; a lower silicon structure that includes a lens recessed in a first side of the lower silicon structure, wherein the first side of the upper silicon structure is bonded to the first side of the lower silicon structure, wherein the sloped sidewall of the upper silicon structure is vertically aligned with the lens of the lower silicon structure; and a waveguide structure within the recess, wherein the waveguide structure is optically coupled to the lens by the sloped sidewall.

The invention provides a method and a device for testing optical fiber coupling efficiency in space optical communication, and belongs to the field of space optical communication. Comprising a light source generation module used for generating a test light beam; the turbulence simulation module is used for simulating the influence of external field turbulence on light beam transmission; the phase difference correction module is used for correcting a low-order phase difference caused by system installation and adjustment or platform vibration and the like and compensating other phase differences caused by phase differences of optical devices; the optical fiber coupling module is used for coupling the spatial light to an optical fiber and determining optical power; and the control module is used for controlling the turbulence simulation module and the phase difference correction module and determining the optical fiber coupling efficiency according to the optical power of the test light beam. By means of the device, a quantitative relation model between the single influence factor and the optical fiber coupling efficiency can be determined with high precision.

The invention concerns an apparatus and its use for laser welding. A laser welding apparatus comprise at least one first laser device, each providing at least one first optical feed fiber with a first laser beam; at least one second laser device, each providing at least one second optical feed fiber with a second laser beam; means for generating a composite laser beam comprising a first output laser beam and a second output laser beam for welding a workpiece; wherein the first output laser beam has a circular cross-section and the second output laser beam has an annular shape concentric to the first output laser beam. The second laser device is a fiber laser device or a fiber-coupled laser device. The apparatus is configured to form the second output laser beam at least on the basis of the second laser beam, and the second output laser beam comprises a first wavelength and a second wavelength having difference of at least 10 nanometers, or the second output laser beam has spectrum width of least 10 nanometers.

The invention discloses a vertical plasmon waveguide device structure capable of being coupled by an optical fiber and a preparation method of the vertical plasmon waveguide device structure, and belongs to the technical field of integrated optoelectronics, and the structure is composed of a pair of metal gratings and a vertical metal-medium-metal plasmon waveguide. The structure comprises a silicon substrate layer, a lower metal layer, a dielectric layer and an upper metal layer which are arranged from bottom to top and is divided into a grating area and a waveguide area, the grating area comprises a dielectric grating area and a metal grating layer, and the waveguide structure comprises the lower metal layer, the dielectric layer and the upper metal layer. According to the design of the invention, the limitation of mass production caused by an overlay process of a mode converter between heterogeneous integrated waveguides is avoided, and the preparation robustness of the device is improved. The optical insertion loss caused by the roughness of the side wall of the waveguide is improved in a metal deposition-dielectric spin coating-metal deposition mode, and the dielectric layer can be replaced to realize multiple device functions.

The invention belongs to the technical field of optical modules, and particularly relates to a CPO module structure which comprises an installation shell, a switching chip, an optical engine, a light source system and an auxiliary monitoring system, the switching chip and the optical engine are installed on a supporting substrate in the installation shell, an optical fiber coupling interface is arranged on the outer side of the installation shell, and the optical fiber coupling interface is connected with the optical source system. The optical fiber link is used for connecting the optical engine and external computer equipment; according to the CPO module structure, related data such as power management, temperature management and link connection signal stable state of the CPO module structure in the use process are monitored in real time through the configured auxiliary monitoring module, and the data are collected through optical power, temperature, current sensors and the like; when abnormal data occur in the monitoring process, troubleshooting and positioning and automatic maintenance and troubleshooting can be rapidly carried out, the frequency of disassembly, maintenance and repair is reduced, and the use experience is improved.

The invention belongs to the technical field of light beam coupling tracking and pointing, and particularly relates to a light beam coupling tracking and pointing method and device based on an automatic adjusting optical fiber coupling module, and the method comprises the steps: obtaining a cooperative target light beam, carrying out the shaping processing of the cooperative target light beam through an optical system, and carrying out the symmetric light splitting of the shaped cooperative target light beam through a spectroscope; the light beam is divided into a detection light path and a coupling light path; the position of a light spot on a detection light path is detected through a CMOS module, the center coordinate of the light spot is extracted, and the X-axis offset difference value and the Y-axis offset difference value of the center coordinate and the preset center position of the CMOS module are calculated; and calculating the adjusting quantity of the XYZ three-axis micro-motion execution mechanism through a closed-loop algorithm, controlling the micro-motion execution mechanism to drive the optical fiber coupling module to move in the corresponding axial direction, continuously collecting light spot position data of the CMOS module, and adjusting the adjusting parameters of the micro-motion execution mechanism in real time through data feedback. Therefore, the problems of high delay, limited accuracy and the like in the prior art are solved.